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单词 quadratic equation
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释义  Related topics: Mathsquad·rat·ic e·qua·tion /kwɒˌdrætɪk ɪˈkweɪʒən $ kwɑː-/ noun [countable]  technicalHM an equation such ax²+by+c = z, which includes numbers or quantities multiplied by themselves 二次方程（式）Examples from the Corpusquadratic equation• One boy was solving a quadratic equation, another was engaged with Euclid.Origin quadratic equation (1600-1700) quadratic from quadrate “square” ((14-21 centuries)), from Latin quadratus, past participle of quadrare “to make square”quad·rat·ic e·qua·tion nounChineseSyllable   Corpus equation includes an which z, numbers such = ax²+by+c
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更新时间：2026/9/14 19:27:35